1 /* $NetBSD: t_ttyname.c,v 1.3 2011/05/01 18:14:01 jruoho Exp $ */
2
3 /*-
4 * Copyright (c) 2011 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Jukka Ruohonen.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
30 */
31 #include <sys/cdefs.h>
32 __RCSID("$NetBSD: t_ttyname.c,v 1.3 2011/05/01 18:14:01 jruoho Exp $");
33
34 #include <atf-c.h>
35 #include <errno.h>
36 #include <fcntl.h>
37 #include <stdlib.h>
38 #include <string.h>
39 #include <unistd.h>
40
41 static long ttymax = 0;
42
43 ATF_TC(ttyname_err);
ATF_TC_HEAD(ttyname_err,tc)44 ATF_TC_HEAD(ttyname_err, tc)
45 {
46 atf_tc_set_md_var(tc, "descr", "Test errors in ttyname(3)");
47 }
48
ATF_TC_BODY(ttyname_err,tc)49 ATF_TC_BODY(ttyname_err, tc)
50 {
51 int fd;
52
53 fd = open("XXX", O_RDONLY);
54
55 if (fd < 0) {
56
57 errno = 0;
58
59 ATF_REQUIRE(isatty(fd) != -1);
60 ATF_REQUIRE(errno == EBADF);
61
62 errno = 0;
63
64 ATF_REQUIRE(ttyname(fd) == NULL);
65 ATF_REQUIRE(errno == EBADF);
66 }
67
68 fd = open("/etc/passwd", O_RDONLY);
69
70 if (fd >= 0) {
71
72 errno = 0;
73
74 ATF_REQUIRE(isatty(fd) != -1);
75 ATF_REQUIRE(errno == ENOTTY);
76
77 errno = 0;
78
79 ATF_REQUIRE(ttyname(fd) == NULL);
80 ATF_REQUIRE(errno == ENOTTY);
81 }
82 }
83
84 ATF_TC(ttyname_r_err);
ATF_TC_HEAD(ttyname_r_err,tc)85 ATF_TC_HEAD(ttyname_r_err, tc)
86 {
87 atf_tc_set_md_var(tc, "descr", "Test errors in ttyname_r(3)");
88 }
89
ATF_TC_BODY(ttyname_r_err,tc)90 ATF_TC_BODY(ttyname_r_err, tc)
91 {
92 char sbuf[0];
93 char *buf;
94 int fd;
95 int rv;
96
97 buf = malloc(ttymax + 1);
98
99 if (buf == NULL)
100 return;
101
102 (void)memset(buf, '\0', ttymax + 1);
103
104 if (isatty(STDIN_FILENO) != 0) {
105
106 rv = ttyname_r(STDIN_FILENO, sbuf, sizeof(sbuf));
107 ATF_REQUIRE(rv == ERANGE);
108 }
109
110 rv = ttyname_r(-1, buf, ttymax);
111 ATF_REQUIRE(rv == EBADF);
112
113 fd = open("/etc/passwd", O_RDONLY);
114
115 if (fd >= 0) {
116 rv = ttyname_r(fd, buf, ttymax);
117 ATF_REQUIRE(rv == ENOTTY);
118 ATF_REQUIRE(close(fd) == 0);
119 }
120
121 free(buf);
122 }
123
124 ATF_TC(ttyname_r_stdin);
ATF_TC_HEAD(ttyname_r_stdin,tc)125 ATF_TC_HEAD(ttyname_r_stdin, tc)
126 {
127 atf_tc_set_md_var(tc, "descr", "Test ttyname_r(3) with stdin(3)");
128 }
129
ATF_TC_BODY(ttyname_r_stdin,tc)130 ATF_TC_BODY(ttyname_r_stdin, tc)
131 {
132 const char *str;
133 char *buf;
134 int rv;
135
136 if (isatty(STDIN_FILENO) == 0)
137 return;
138
139 buf = malloc(ttymax + 1);
140
141 if (buf == NULL)
142 return;
143
144 (void)memset(buf, '\0', ttymax + 1);
145
146 str = ttyname(STDIN_FILENO);
147 rv = ttyname_r(STDIN_FILENO, buf, ttymax);
148
149 ATF_REQUIRE(rv == 0);
150 ATF_REQUIRE(str != NULL);
151
152 if (strcmp(str, buf) != 0)
153 atf_tc_fail("ttyname(3) and ttyname_r(3) conflict");
154
155 free(buf);
156 }
157
158 ATF_TC(ttyname_stdin);
ATF_TC_HEAD(ttyname_stdin,tc)159 ATF_TC_HEAD(ttyname_stdin, tc)
160 {
161 atf_tc_set_md_var(tc, "descr", "Test ttyname(3) with stdin(3)");
162 }
163
ATF_TC_BODY(ttyname_stdin,tc)164 ATF_TC_BODY(ttyname_stdin, tc)
165 {
166
167 if (isatty(STDIN_FILENO) != 0)
168 ATF_REQUIRE(ttyname(STDIN_FILENO) != NULL);
169
170 (void)close(STDIN_FILENO);
171
172 ATF_REQUIRE(isatty(STDIN_FILENO) != 1);
173 ATF_REQUIRE(ttyname(STDIN_FILENO) == NULL);
174 }
175
ATF_TP_ADD_TCS(tp)176 ATF_TP_ADD_TCS(tp)
177 {
178
179 ttymax = sysconf(_SC_TTY_NAME_MAX);
180 ATF_REQUIRE(ttymax >= 0);
181
182 ATF_TP_ADD_TC(tp, ttyname_err);
183 ATF_TP_ADD_TC(tp, ttyname_r_err);
184 ATF_TP_ADD_TC(tp, ttyname_r_stdin);
185 ATF_TP_ADD_TC(tp, ttyname_stdin);
186
187 return atf_no_error();
188 }
189